Stadium: Court B4 Round: 25 Ground: Synthetic outdoor
| ITF Women Tsukuba Qual | 2017/08/20 00:30 | Aiko Yoshitomi v Ayumi Koshiishi | 7-5,4-6,6-3 |
| ITF Women Karuizawa Qual | 2017/05/21 04:00 | Ayumi Koshiishi v Ellen Allgurin | 4-6,2-6 |
| ITF Women Fukuoka Qual | 2017/05/07 02:40 | Ayumi Koshiishi v Monique Adamczak | 3-6,0-6 |
| ITF Women Nishi-Tama | 2017/03/22 05:55 | Ayumi Koshiishi v Risa Ushijima | 1-6,1-6 |
| ITF Women Nishi-Tama | 2017/03/20 01:00 | Ayumi Koshiishi v Eri Shimizu | 6-3,7-5 |
| ITF Women Nishi-Tama | 2017/03/19 02:00 | Ayumi Koshiishi v Robu Kajitani | 1-6,6-0,6-3 |
| ITF Women Nishi-Tama | 2017/03/18 03:00 | Nina Stadler v Ayumi Koshiishi | 6-0,6-7,3-6 |
| ITF Women Yokohama Qual | 2017/03/05 06:00 | Haruka Kaji v Ayumi Koshiishi | 4-6,6-1,6-4 |
| ITF Women Tsukuba | 2017/08/22 04:10 | Yuuki Tanaka v Miyabi Inoue | 6-3,4-6,6-4 |
| ITF Women Nonthaburi | 2017/08/17 03:30 | Miyabi Inoue v Yue Yuan | 0-6,4-6 |
| ITF Women Nonthaburi | 2017/08/16 04:40 | Varatchaya Wongteanchai v Miyabi Inoue | 2-6,3-6 |
| ITF Women Nonthaburi | 2017/08/15 09:05 | Miyabi Inoue v Varunya Wongteanchai | 6-2,1-6,6-4 |
| ITF Women Hua Hin | 2017/07/24 04:00 | Chieh-Yu Hsu v Miyabi Inoue | 6-2,6-3 |
| ITF Women Tianjin | 2017/07/19 03:30 | Peangtarn Plipuech v Miyabi Inoue | 6-3,6-3 |
| ITF Women Tianjin | 2017/07/18 05:55 | Shiho Akita v Miyabi Inoue | 6-2,1-6,4-6 |
| ITF Women Naiman | 2017/07/15 03:25 | Jing-Jing Lu v Miyabi Inoue | 6-4,6-4 |